20181978608

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{12049}}^1$

素因数の和:12406

約数の個数: 80

約数和(自身を含む): 44180505600

約数和(自身を除く): 23998526992

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 307, 341, 496, 614, 682, 1228, 1364, 2456, 2728, 3377, 4912, 5456, 6754, 9517, 12049, 13508, 19034, 24098, 27016, 38068, 48196, 54032, 76136, 96392, 104687, 132539, 152272, 192784, 209374, 265078, 373519, 418748, 530156, 747038, 837496, 1060312, 1494076, 1674992, 2120624, 2988152, 3699043, 4108709, 5976304, 7398086, 8217418, 14796172, 16434836, 29592344, 32869672, 40689473, 59184688, 65739344, 81378946, 114670333, 162757892, 229340666, 325515784, 458681332, 651031568, 917362664, 1261373663, 1834725328, 2522747326, 5045494652, 10090989304, 20181978608]

約数ペア:

[(1, 20181978608), (2, 10090989304), (4, 5045494652), (8, 2522747326), (11, 1834725328), (16, 1261373663), (22, 917362664), (31, 651031568), (44, 458681332), (62, 325515784), (88, 229340666), (124, 162757892), (176, 114670333), (248, 81378946), (307, 65739344), (341, 59184688), (496, 40689473), (614, 32869672), (682, 29592344), (1228, 16434836), (1364, 14796172), (2456, 8217418), (2728, 7398086), (3377, 5976304), (4912, 4108709), (5456, 3699043), (6754, 2988152), (9517, 2120624), (12049, 1674992), (13508, 1494076), (19034, 1060312), (24098, 837496), (27016, 747038), (38068, 530156), (48196, 418748), (54032, 373519), (76136, 265078), (96392, 209374), (104687, 192784), (132539, 152272)]